This class is sealed and does not implement a public constructor. You can access the SiteCollection class through the Sites property of the ServerManager class. SiteCollection implements the System.Collections.Generic..::..IEnumerable<(Of <(<'T>)>)> interface and includes an implementation for the GetEnumerator()()()() method. Use the Add and Remove methods, respectively, to create new sites or remove existing ones. In addition, you can use indexers to obtain a reference to an item in the collection by position or site name.